tbl_export.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Table export
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 use PhpMyAdmin\Config\PageSettings;
   9 use PhpMyAdmin\Display\Export;
  10 use PhpMyAdmin\Relation;
  11 use PhpMyAdmin\Response;
  12
  13 /**
  14  *
  15  */
  16 require_once 'libraries/common.inc.php';
  17
  18 PageSettings::showGroup('Export');
  19
  20 $response = Response::getInstance();
  21 $header   = $response->getHeader();
  22 $scripts  = $header->getScripts();
  23 $scripts->addFile('export.js');
  24
  25 // Get the relation settings
  26 $cfgRelation = Relation::getRelationsParam();
  27
  28 // handling export template actions
  29 if (isset($_REQUEST['templateAction']) && $cfgRelation['exporttemplateswork']) {
  30     Export::handleExportTemplateActions($cfgRelation);
  31     exit;
  32 }
  33
  34 /**
  35  * Gets tables information and displays top links
  36  */
  37 require_once 'libraries/tbl_common.inc.php';
  38 $url_query .= '&amp;goto=tbl_export.php&amp;back=tbl_export.php';
  39
  40 // Dump of a table
  41
  42 $export_page_title = __('View dump (schema) of table');
  43
  44 // When we have some query, we need to remove LIMIT from that and possibly
  45 // generate WHERE clause (if we are asked to export specific rows)
  46
  47 if (! empty($sql_query)) {
  48     $parser = new PhpMyAdmin\SqlParser\Parser($sql_query);
  49
  50     if ((!empty($parser->statements[0]))
  51         && ($parser->statements[0] instanceof PhpMyAdmin\SqlParser\Statements\SelectStatement)
  52     ) {
  53
  54         // Finding aliases and removing them, but we keep track of them to be
  55         // able to replace them in select expression too.
  56         $aliases = array();
  57         foreach ($parser->statements[0]->from as $from) {
  58             if ((!empty($from->table)) && (!empty($from->alias))) {
  59                 $aliases[$from->alias] = $from->table;
  60                 // We remove the alias of the table because they are going to
  61                 // be replaced anyway.
  62                 $from->alias = null;
  63                 $from->expr = null; // Force rebuild.
  64             }
  65         }
  66
  67         // Rebuilding the SELECT and FROM clauses.
  68         if (count($parser->statements[0]->from) > 0
  69             && count($parser->statements[0]->union) === 0
  70         ) {
  71             $replaces = array(
  72                 array(
  73                     'FROM', 'FROM ' . PhpMyAdmin\SqlParser\Components\ExpressionArray::build(
  74                         $parser->statements[0]->from
  75                     ),
  76                 ),
  77             );
  78         }
  79
  80         // Checking if the WHERE clause has to be replaced.
  81         if ((!empty($where_clause)) && (is_array($where_clause))) {
  82             $replaces[] = array(
  83                 'WHERE', 'WHERE (' . implode(') OR (', $where_clause) . ')'
  84             );
  85         }
  86
  87         // Preparing to remove the LIMIT clause.
  88         $replaces[] = array('LIMIT', '');
  89
  90         // Replacing the clauses.
  91         $sql_query = PhpMyAdmin\SqlParser\Utils\Query::replaceClauses(
  92             $parser->statements[0],
  93             $parser->list,
  94             $replaces
  95         );
  96
  97         // Removing the aliases by finding the alias followed by a dot.
  98         $tokens = PhpMyAdmin\SqlParser\Lexer::getTokens($sql_query);
  99         foreach ($aliases as $alias => $table) {
 100             $tokens = PhpMyAdmin\SqlParser\Utils\Tokens::replaceTokens(
 101                 $tokens,
 102                 array(
 103                     array(
 104                         'value_str' => $alias,
 105                     ),
 106                     array(
 107                         'type' => PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR,
 108                         'value_str' => '.',
 109                     )
 110                 ),
 111                 array(
 112                     new PhpMyAdmin\SqlParser\Token($table),
 113                     new PhpMyAdmin\SqlParser\Token('.',PhpMyAdmin\SqlParser\Token::TYPE_OPERATOR)
 114                 )
 115             );
 116         }
 117         $sql_query = PhpMyAdmin\SqlParser\TokensList::build($tokens);
 118     }
 119
 120     echo PhpMyAdmin\Util::getMessage(PhpMyAdmin\Message::success());
 121 }
 122
 123 if (! isset($sql_query)) {
 124     $sql_query = '';
 125 }
 126 if (! isset($num_tables)) {
 127     $num_tables = 0;
 128 }
 129 if (! isset($unlim_num_rows)) {
 130     $unlim_num_rows = 0;
 131 }
 132 if (! isset($multi_values)) {
 133     $multi_values = '';
 134 }
 135 $response = Response::getInstance();
 136 $response->addHTML(
 137     Export::getExportDisplay(
 138         'table', $db, $table, $sql_query, $num_tables,
 139         $unlim_num_rows, $multi_values
 140     )
 141 );